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From left to right UCSD Professors/Scientists; Kurt Marti, James Arnold, Gustav Olaf Svante Arrhenius, Harold Clayton Urey, at the Moon Rock research press conference held at UCSD. January 19, 1971.

From left to right UCSD Professors/Scientists; Kurt Marti, James Arnold, Gustav Olaf Svante Arrhenius, Harold Clayton Urey...